Growing community of inventors

Tokyo, Japan

Hisashi Ishiguro

Average Co-Inventor Count = 4.29

ph-index = 4

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 64

Hisashi IshiguroHiroshi Mori (5 patents)Hisashi IshiguroMoriyuki Koike (5 patents)Hisashi IshiguroYasuhiro Hattori (2 patents)Hisashi IshiguroNorio Michiie (2 patents)Hisashi IshiguroHiroyasu Sumida (2 patents)Hisashi IshiguroHiroomi Motohashi (2 patents)Hisashi IshiguroToshiya Tagawa (2 patents)Hisashi IshiguroTakahiko Uno (2 patents)Hisashi IshiguroKouichi Kanaya (2 patents)Hisashi IshiguroTsuyoshi Endoh (1 patent)Hisashi IshiguroTomofumi Harada (1 patent)Hisashi IshiguroTsuyoshi Endo (1 patent)Hisashi IshiguroTomohumi Harada (1 patent)Hisashi IshiguroHisashi Ishiguro (5 patents)Hiroshi MoriHiroshi Mori (108 patents)Moriyuki KoikeMoriyuki Koike (8 patents)Yasuhiro HattoriYasuhiro Hattori (19 patents)Norio MichiieNorio Michiie (16 patents)Hiroyasu SumidaHiroyasu Sumida (11 patents)Hiroomi MotohashiHiroomi Motohashi (11 patents)Toshiya TagawaToshiya Tagawa (10 patents)Takahiko UnoTakahiko Uno (8 patents)Kouichi KanayaKouichi Kanaya (4 patents)Tsuyoshi EndohTsuyoshi Endoh (22 patents)Tomofumi HaradaTomofumi Harada (17 patents)Tsuyoshi EndoTsuyoshi Endo (13 patents)Tomohumi HaradaTomohumi Harada (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ricoh Company, Ltd. (5 from 28,577 patents)


5 patents:

1. 7800771 - Digital copying machine, image formation system, and digital copying machine as slave machine

2. 7728997 - Digital copying machine, image formation system, and digital copying machine as slave machine

3. 7167256 - Digital copying machine image formation system, and digital copying machine as slave machine

4. 6226102 - Image forming apparatus which forms an image based on stored image data

5. 5987227 - Image forming apparatus and method for detecting and eliminating

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